CLEVELAND Jobber Length Drill Bit: Letter Z, 135° Split Point, Black Oxide Cobalt
The CLEVELAND Jobber Length Drill Bit (Letter Z) is a short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design (MPN C15988). It features a 0.4130-inch…
SKU 3G-OTH-213589
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Product Description
The CLEVELAND Jobber Length Drill Bit (Letter Z) is a short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design (MPN C15988). It features a 0.4130-inch diameter, engineered for drilling in tough materials. 3G Electric interprets your demand, sources this genuine industrial tool, and supports your operations across 14 departments — with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the CLEVELAND Jobber Length Drill Bit C15988 used for?
The CLEVELAND C15988 is a Letter Z jobber-length drill bit designed for drilling into hard materials such as stainless steel and alloy steels. Its 135° split point reduces walking, while the black oxide cobalt construction and fast spiral enhance chip evacuation and heat resistance in industrial metalworking applications.
What are the specifications of the CLEVELAND C15988 drill bit?
The CLEVELAND C15988 is a Letter Z jobber-length drill bit with a 0.4130-inch diameter, 135° split point, black oxide cobalt finish, and fast spiral flute design. It is a short-flute cobalt jobber-length bit, ideal for high-torque drilling in tough metals. The manufacturer part number is C15988.
Where to buy CLEVELAND C15988 drill bits worldwide?
CLEVELAND C15988 drill bits are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this Letter Z cobalt jobber-length bit.
How to select the right CLEVELAND jobber-length drill bit for metal?
Select a CLEVELAND jobber-length drill bit based on material hardness and hole size. For stainless steel or high-alloy metals, choose cobalt bits like the C15988 with a 135° split point to reduce walking. Match the bit diameter (e.g., 0.4130 inches for Letter Z) to your required hole size and use proper cutting fluid.
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3G Electric supplies CLEVELAND short-flute cobalt jobber-length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















